Hello !
The new DE 4.0 image is Open Embedded 2.0, not OE 1.6 like 3.x image.
So, you must use plugin's or emu made for OE2.0 only. It's possible to find these type of oscam's versions but not Cccam.
And like said Banderaz, use oscam only, not oscam+Cccam if you can.